We report a case with severe persistent pulmonary hypertension (PPHN) associated with congenital cystic adenomatoid malformation of the lung (CCAM) treated with sildenafil PO. The case was unresponsive to the High-Frequency Oscillatory Ventilation (HFOV), with a oxygenation index (OI) of 50 before sildenafil. Substantial improvement in OI was followed by extubation and survival. No side-effects were noted.
Keywords: PPHN, CCAM, sildenafil, HFOV, oxygenation index
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